Under the roar of Langganan Waterfall, botanist Peter Hovenkamp studies a small fern with a magnifier.
As darkness sets in, spider specialist Peter Koomen processes the specimens he collected during the day, including a tarantula. In a 'killing jar', vapors of ethyl acetate will quickly stun and kill it, before it can be preserved in ethanol.
Steeloogvlieg ondezoeker Hans Feijen.
